what is the purpose of a side deck in yugioh Budget Mitsurugi Guide: Yu-Gi-Oh! Duel Strategy What does side deck mean?

Call Damage Control Control Magic Control Win Condition (playtest) Control of the Court Controlled Instincts Crowd-Control Warden Damage Control Crew Dovin, Hand of Control Mind Control Pest Control Reality Is Mine to Control Riot Control The Cyber-Controller Tidal Control Uncontrollable Anger Uncontrolled Infestation

Mana Drain is a ban-worthy card, but doubling its mana cost by adding green green doesnt seem like the way to make the effect more balanced

Over the years, silver border slowly shifted to end up meaning "not for any official format, casual or not," which flies in the face of what it was originally intended to do

You may cast that card without paying its mana cost

However, why not skip the chase in favor of just buying that card you're looking for